Sex and food are my lightning rods.
Neutrogena Triple Moist cream lather shampoo, masque, and conditioner (very inexpensive). Most drug and grocery stores. Nexxus Therapee shampoo, Humectress conditioner, and Keraphix reconstructor (moderate price). Salon and some drugstores. I have long and color treated hair, that I abuse throroughly with hairdryers and curling irons daily. Shame on me. So, I have plenty of experience with fried hair. :) Hope this helps
About the thickest you are going to find cork, either in tile form, or in sheet form, will be 1/4 inch thick, as standard thicknesses are 1/16 inch, 1/8 inch, and 1/4 inch. The thickest cork I was able to purchase for a target backing was 1/4 inch. I doubled up the thickness to get 1/2 inch thick, and used rubber cement to glue the tiles together. Don't make the mistake I made, and try gluing them together right out of their package. As I found out, they will shrink a bit in your home as they lose some of their moisture content. Let them sit for a couple of days to get them accustomed to the cliamte of your house, then glue them together. Good luck with your project.